Agilent Technologies Infiniium 80000 Series Service Manual page 70

Primary Trouble Isolation Flowchart (Part 1 of 2)
Go to 'Power Supply
No
Trouble Isolation'
Go to 'Display Trouble
Yes
Isolation'
Replace
No
motherboard.
Replace fan. Yes
Primary Trouble Isolation
Turn power on
Does
power light
illuminate?
Yes
A
Check display
On
screen display
problems?
No
B
Check processor
temperature?
Is
temperature
OK?
Yes
C
Check for fan fail
message.
Does
fan fail?
No
PT
Chapter 5: Troubleshooting
Primary Trouble Isolation
69